<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>画三个盒子</title>
    <style>
        .blue {
            /* 字体颜色 */
            color: #37d9f6;
        }

        .font {
            font-size: 15px;
        }
    </style>
</head>

<body>
    <div class="font blue">黄子韬</div>

</body>

</html>